Greg Sanders, SIGHASH_ANYPREVOUT, ephemeral anchors and LN symmetry (ELTOO) - Episode 29

Greg Sanders joins us to discuss ANYPREVOUT, ephemeral anchors and LN symmetry (a.k.a. ELTOO).

We chat about:

- Package relay (2:07)

- Pinning attacks (3:14)

  - BIP125

  - T-Bast’s pinning attack summary

- Mempool policy (4:56)

- Stuffing the mempool - 2017 (5:20)

- Rewrite mempool or make the problem simpler (07:57)

- Package relay RBF A.K.A. V3 (8:38)

- Reducing the standard transaction size to 65 bytes PR (14:25)

- March to LN symmetry (19:07)

- Daric: A Storage Efficient Payment Channel With Penalization Mechanism

- Two-party eltoo w/ punishment by AJ Towns

- BIP118 - SIGHASH_ANYPREVOUT (26:17)

  - SIGHASH_NOINPUT

- Softfork and activation history (28:11)

- Ephemeral anchors (32:18)

  - op_2 email by Luke



- Is ANYPREVOUT useful outside of LN symmetry? (43:27)